cnn national security contributor fran townsend, a member of the external advisory committees to the cia and department of homeland security. general marks, let me start with you. what are the military options at this stage right now? realistically, what could the use, nato, the international community militarily do if there is an indication that the syrian military's about to use chemical weapons against its own people. >> wolf, that's the key point. in advance of its use what can the u.s. do? and it's clearly having a very robust, very broad intelligence collection apparatus that takes into account all means of collection, technical as well as human intelligence. there are known sites where the chemical weapons are stockpiled, where the production sites are. then there has to be an act to marry those up with the distribution or delivery means. >> a missile. >> a missile, artillery shell, put into a bomb then uploaded under the wings of an aircraft. all those are indicators of what might occur. intelligence has to be very, very robust in order to go after that. then, if it is such that